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- 移除 TimeSpan 过度 Lambda 解析；

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This commit is contained in:
2881099
2024-08-08 20:30:26 +08:00
parent 6525c7000f
commit 5ad0fd8b75
54 changed files with 132 additions and 1791 deletions
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66
Providers/FreeSql.Provider.Custom/SqlServer/CustomSqlServerExpression.cs
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@ -241,35 +241,6 @@ namespace FreeSql.Custom.SqlServer
}
return null;
}
public override string ExpressionLambdaToSqlMemberAccessTimeSpan(MemberExpression exp, ExpTSC tsc)
{
if (exp.Expression == null)
{
switch (exp.Member.Name)
{
case "Zero": return "0";
case "MinValue": return "-922337203685477580"; //微秒 Ticks / 10
case "MaxValue": return "922337203685477580";
}
return null;
}
var left = ExpressionLambdaToSql(exp.Expression, tsc);
switch (exp.Member.Name)
{
case "Days": return $"floor(({left})/{60 * 60 * 24})";
case "Hours": return $"floor(({left})/{60 * 60}%24)";
case "Milliseconds": return $"(cast({left} as bigint)*1000)";
case "Minutes": return $"floor(({left})/60%60)";
case "Seconds": return $"(({left})%60)";
case "Ticks": return $"(cast({left} as bigint)*10000000)";
case "TotalDays": return $"(({left})/{60 * 60 * 24})";
case "TotalHours": return $"(({left})/{60 * 60})";
case "TotalMilliseconds": return $"(cast({left} as bigint)*1000)";
case "TotalMinutes": return $"(({left})/60)";
case "TotalSeconds": return $"({left})";
}
return null;
}
public override string ExpressionLambdaToSqlCallString(MethodCallExpression exp, ExpTSC tsc)
{
@ -435,7 +406,6 @@ namespace FreeSql.Custom.SqlServer
var args1 = exp.Arguments.Count == 0 ? null : getExp(exp.Arguments[0]);
switch (exp.Method.Name)
{
case "Add": return $"dateadd(second, {args1}, {left})";
case "AddDays": return $"dateadd(day, {args1}, {left})";
case "AddHours": return $"dateadd(hour, {args1}, {left})";
case "AddMilliseconds": return $"dateadd(second, ({args1})/1000, {left})";
@ -503,42 +473,6 @@ namespace FreeSql.Custom.SqlServer
}
return null;
}
public override string ExpressionLambdaToSqlCallTimeSpan(MethodCallExpression exp, ExpTSC tsc)
{
Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, tsc);
if (exp.Object == null)
{
switch (exp.Method.Name)
{
case "Compare": return $"({getExp(exp.Arguments[0])}-({getExp(exp.Arguments[1])}))";
case "Equals": return $"({getExp(exp.Arguments[0])} = {getExp(exp.Arguments[1])})";
case "FromDays": return $"(({getExp(exp.Arguments[0])})*{60 * 60 * 24})";
case "FromHours": return $"(({getExp(exp.Arguments[0])})*{60 * 60})";
case "FromMilliseconds": return $"(({getExp(exp.Arguments[0])})/1000)";
case "FromMinutes": return $"(({getExp(exp.Arguments[0])})*60)";
case "FromSeconds": return $"({getExp(exp.Arguments[0])})";
case "FromTicks": return $"(({getExp(exp.Arguments[0])})/10000000)";
case "Parse": return $"cast({getExp(exp.Arguments[0])} as bigint)";
case "ParseExact":
case "TryParse":
case "TryParseExact": return $"cast({getExp(exp.Arguments[0])} as bigint)";
}
}
else
{
var left = getExp(exp.Object);
var args1 = exp.Arguments.Count == 0 ? null : getExp(exp.Arguments[0]);
switch (exp.Method.Name)
{
case "Add": return $"({left}+{args1})";
case "Subtract": return $"({left}-({args1}))";
case "Equals": return $"({left} = {args1})";
case "CompareTo": return $"({left}-({args1}))";
case "ToString": return $"cast({left} as varchar(100))";
}
}
return null;
}
public override string ExpressionLambdaToSqlCallConvert(MethodCallExpression exp, ExpTSC tsc)
{
Func<Expression, string> getExp = exparg => ExpressionLambdaToSql(exparg, tsc);